• Senior Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where...Virtualization + **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd **Original… more
    Leidos (05/29/25)
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  • Linux Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Bethesda, MD)
    Linux Systems Administrator The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those ... Cross Domain Solutions for an enterprise environment. As a Linux System Administrator on our project, you'll...Linux firewalls, networking configuration, and DNS + Active TS /SCI clearance; willingness to take a polygraph exam +… more
    BOOZ, ALLEN & HAMILTON, INC. (06/25/25)
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  • Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …We've got what you're looking for. **Job Description:** Parsons is seeking a mid-level Linux Systems Administrator . The candidate will support both Linux ... server and networking equipment rack installations **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for… more
    Parsons Corporation (07/19/25)
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  • Linux Systems Administrator

    CACI International (Hanover, MD)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee ... * * * **The Opportunity:** CACI is seeking a Linux Systems Administrator to join...standard operating procedures and technical documentation. **Qualifications:** **_Required:_** + TS /SCI Clearance with polygraph + 10 years' experience +… more
    CACI International (05/02/25)
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  • Linux Systems Administrator

    ManTech (Hanover, MD)
    ManTech seeks a motivated, career- and customer-oriented ** Linux Systems Administrator ** to join our team in **Hanover, MD** . This role supports a global ... + Fifteen (15) years of experience as a System Administrator in programs and contracts of similar scope, type,...Qualifications:** + Experience deploying, upgrading, or maintaining servers and systems + Knowledge of Linux operating … more
    ManTech (05/10/25)
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  • Senior Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... qualified candidate for a small, diverseteam that provides end-to-end software, systems , and network engineering services to support Integrated Discovery Operations… more
    Leidos (05/14/25)
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  • Senior Systems Administrator

    GovCIO (Washington, DC)
    **Overview** GovCIO is hiring for a Senior Systems Administrator ( Linux and Windows) to provide on-going support for the administration of the core system ... willing to work nights, have an active Security+ certification, and an active Top Secret clearance. **Responsibilities** In this role you will: Provide support… more
    GovCIO (07/18/25)
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  • Windows Linux Systems

    General Dynamics Information Technology (Fort Belvoir, VA)
    …RQ203465 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Family:** Systems Administration **Skills:** Linux ,System Administration,Windows Applications **Certifications:**...Information Technology (GDIT) is looking for a skilled **IT Systems Administrator ** with experience in Microsoft enterprise… more
    General Dynamics Information Technology (07/16/25)
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  • Linux Systems Administrator

    SAIC (Reston, VA)
    TS /SCI clearance with Polygraph. **Required:** + Proven experience as a Systems Administrator , with a focus on supporting a complex enterprise environment. ... **Description** SAIC, a leading provider of systems development & deployment, targeting and intelligence analysis,...Reston, VA. We are seeking a highly motivate System Administrator to join our National Intelligence Program to be… more
    SAIC (06/03/25)
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  • Linux System Administrator

    BigBear.ai (Annapolis Junction, MD)
    Overview BigBear.ai is seeking a Linux Systems Administrator to a fast-paced team of system administrators providing support for implementation, ... troubleshooting and maintenance of InformationTechnology (IT) systems for critical enterprise applications. This position will report...on site to Annapolis Junction, MD and requires a TS /SCI w/poly. What you will do Manage IT system… more
    BigBear.ai (04/22/25)
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